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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-912.149918
Energy at 298.15K-912.139271
HF Energy-909.125509
Nuclear repulsion energy807.039392
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1564 1474 10.18      
2 A1 1457 1372 399.61      
3 A1 1289 1214 247.95      
4 A1 856 806 3.86      
5 A1 727 685 3.89      
6 A1 588 554 14.22      
7 A1 414 390 0.13      
8 A1 343 323 0.63      
9 A1 164 155 1.19      
10 A2 1405 1324 0.00      
11 A2 615 579 0.00      
12 A2 385 363 0.00      
13 A2 243 229 0.00      
14 A2 30 29 0.00      
15 B1 1448 1365 608.62      
16 B1 1389 1309 171.10      
17 B1 679 640 2.24      
18 B1 503 474 4.93      
19 B1 228 215 5.42      
20 B1 92 86 0.05      
21 B2 1554 1464 165.19      
22 B2 1389 1309 61.89      
23 B2 1120 1055 288.62      
24 B2 794 748 69.77      
25 B2 580 547 11.06      
26 B2 366 345 0.01      
27 B2 293 276 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 10257.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9664.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
ABC
0.05545 0.03214 0.03040

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.584
C2 0.000 1.295 -0.231
C3 0.000 -1.295 -0.231
F4 1.107 0.000 1.364
F5 -1.107 0.000 1.364
F6 0.000 2.338 0.608
F7 0.000 -2.338 0.608
F8 1.091 1.355 -1.006
F9 -1.091 1.355 -1.006
F10 -1.091 -1.355 -1.006
F11 1.091 -1.355 -1.006

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.53041.53041.35391.35392.33772.33772.35732.35732.35732.3573
C21.53042.58982.33412.33411.33833.72811.33941.33942.96882.9688
C31.53042.58982.33412.33413.72811.33832.96882.96881.33941.3394
F41.35392.33412.33412.21332.69482.69482.73073.50513.50512.7307
F51.35392.33412.33412.21332.69482.69483.50512.73072.73073.5051
F62.33771.33833.72812.69482.69484.67522.18152.18154.17524.1752
F72.33773.72811.33832.69482.69484.67524.17524.17522.18152.1815
F82.35731.33942.96882.73073.50512.18154.17522.18173.47962.7107
F92.35731.33942.96883.50512.73072.18154.17522.18172.71073.4796
F102.35732.96881.33943.50512.73074.17522.18153.47962.71072.1817
F112.35732.96881.33942.73073.50514.17522.18152.71073.47962.1817

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.874 C1 C2 F8 110.526
C1 C2 F9 110.526 C1 C3 F7 108.874
C1 C3 F10 110.526 C1 C3 F11 110.526
C2 C1 C3 116.029 C2 C1 F4 107.850
C2 C1 F5 107.850 C3 C1 F4 107.850
C3 C1 F5 107.850 F4 C1 F5 109.284
F6 C2 F8 108.960 F6 C2 F9 108.960
F7 C3 F10 108.960 F7 C3 F11 108.960
F8 C2 F9 108.962 F10 C3 F11 108.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability